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Questions - pwm

Expected expression error in keil uvision (Tiva C Arm/ TM4C123GH6PM)

void PortF_Init(void){ SYSCTL_RCGC2_R |=(1<<5); while((SYSCTL_PRGPIO_R&0x00000020)==0){} GPIO_PORTF_LOCK_R =0x4C4F434B ; // Lock register . GPIO_PORTF_CR_R =0XFF ; ...
test-img

xyz

embedded

keil

pwm

Votes: 0

Answers: 0

Variable frequency PWM on ESP32

I have been working on the following project that was created by Rui Santos and wanted to make some modifications. ESP32 Web Server Slider In the code the frequency is set constant and the duty cycle ...
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dylanjobson

arduino

frequency

esp32

pwm

Votes: 0

Answers: 2

Latest Answer

It seems the Arduino interface to ESP32 PWM is not really documented, but if you look at the relevant header and source then you'll find a function ledcChangeFrequency() which seems to do the trick. c...
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Tarmo

How to work with PWM in sysfs in BeagleBoneBlack correctly?

I want to control LED brightness with PWM with my beagleboneblack. To enable PWM in my yocto build I've done following steps: Enabled PWM in kernel menuconfig (bitbake -c menuconfig virtual/kernel) ...
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savin poster

embedded-linux

yocto

beagleboneblack

pwm

Votes: 0

Answers: 0

Measure PWM Duty Cycle on RP2040 using micropython

I'm trying to use a Raspberry Pi Pico to measure an incoming PWM signal duty cycle and use the value to drive an I2C digital potentiometer. I'd like to use micropython as I know some of this already. ...
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Chris Field

slice

micropython

pwm

Votes: 0

Answers: 0

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